arents happily pay a lot of money, only ______the tours are not rewarding enough for their children.

It’s high time that they _____ some seriouswork right now.

She________ for nearly two hours

t seen you for ages! Where have you been —I went to Ningxia and there for one year, teaching as a volunteer.

. After hearing the terrifying story, Polly hid behind the door, _______ with fear.